the coking properties of coal at elevated pressures. - Argonne ...
the coking properties of coal at elevated pressures. - Argonne ... the coking properties of coal at elevated pressures. - Argonne ...
10. 11. 12. 13. 14. 15. 16. 17. 18. R.W. Linton, P. Williams, C.A. Evans, Jr., and D.S.F. Natusch, Anal. Chem. 9, 965 (1977). L.D. Hulett and A.J. Weinberger, Environ. Sci. & Technol. 5, 965 (1980). L.D. Hansen, D. Silberman, and G.L. Fisher, Environ. Sci. & Technol. 15, 1057 (1981). Enrichment factors are obtained by normalizing to the bulk composition of the large particles (say > 30 um). C.A. Mims, N. Neville, R.J. Quann, and A.F. Sarofim, "Laboratory Studies of Trace Element Transformation During Coal Combustion," Presented at the 87th AIChE Meeting, August 1979, Boston, Mass. C.D. Stinespring and G.W. Stewart, Atmos. Environ. 15, 307 (1981). G.W. Stewart and A. Chakrabarti, High Temperature-High Pressure (In press) (1982). A. Chakrabarti, D.W. Bonnell, G.W. Stewart, and J.W. Hastie, To be published (1981). J.W. Hastie, E.R. Plante, and D.W. Bonnell, Interim Report No. NBSIR 81-2279, U.S. Department of Commerce, National Bureau of Standards, Washington, DC 20234 (1981). 142 I I
\ i SURFACE AND BULK ENRICHMENT OF COAL COMBUSTION ASH FOR SELECTED ELEMENTS ELEMENT As Cd Cr Pb Sb Se TP, W Zn AI Ca CI1 cs Fe K Pfc: Mn Na Rb Ti I * BULK ENRI CHbENT BULK** **,k SURFACE 9.4 13.4 --_ ___ ___ 11.5 2.4 3.8 7.9 10.4 __- 7.1 7.8 1.0 1.1 1.1 1.2 1.3 1.1 1.3 1.5 1.5 1.1 1.2 Be 1.6 cu I 2.3 6.2 8.4 --- 5.4 4.9 --- 6.2 1.6 1.0 1.0 ___ 1.3 1.3 --- 1.7 --_ 1.7 1.2 --- 2.2 3.3 11.0 1.1 1.6 ___ ___ 0.8 7.6 0.9 6.4 15.2 _-- V I 3.8 2.7 2.0 ''Bulk enrichment defined as the ratio of the concentration ina 1U particles to that in an 18.5~ particle, from D.G. Coles, R.C. Ragaini, J.M. Ondov, G.L. Fisher, D. Silberman, B.A. Prentice, Environ. Sci. & Tech., 13, 455 (1979). >k ?< Bulk enrichment defined as the ratio of the concentration in a 0.15~ particle to that in a 20p particle, from R.D. & Comb. Sci., 6, 53 (1980). Smith, Prog. in Energy **?? Surface enrichment defined as the ratio of the surface composition divided by the composition at 500 8, from R.W. Linton, P. Williams, C.A. Evans, Jr., and D.S.F. Natusch, Anal. Chem., - 49, 1514 (1977). 143 0.9 6.0
- Page 91 and 92: 1 I > \ i I 5360-096bw bed data. Be
- Page 93 and 94: I 1. I 5360-096bw ranging from atmo
- Page 95 and 96: uY.ku ICHlMAlIC OF MINI-FLUID BE0 R
- Page 97 and 98: 800-12-1133 -9 FIGURE IO CALCULATED
- Page 99 and 100: Mexico coal. Table 1 shows an analy
- Page 101 and 102: ', Complete results from all runs c
- Page 103 and 104: I the methanol down to atmospheric
- Page 105 and 106: TABLE 3 -----______________________
- Page 107 and 108: \ "I N z 107 c. . 0 0
- Page 109 and 110: I. INTRODUCTION DIRECT METHANATION
- Page 111 and 112: The catalyst development program fo
- Page 113 and 114: Preparing process flow diagrams and
- Page 115 and 116: \ \ i 1. 2,000 4,000 6,000 8,000 10
- Page 117 and 118: (JMS-OlBM-2). The mass spectra were
- Page 119 and 120: I I Fairbridge, R.W. (ed.) 1972, En
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- Page 125 and 126: L Table I: Compositions of High Tem
- Page 127 and 128: \ " \ I For all three coals, the pr
- Page 129 and 130: 4 , 1024 1024 3a 3b J Mineral Parti
- Page 131 and 132: The Determination of Mineral Distri
- Page 133 and 134: pyrite crystals in framboids locate
- Page 135 and 136: FIG. 1. TEM MICROGRAPH OF A HIGH VO
- Page 137 and 138: \ \ FIG. 5. SEM MICROGRAPH SHOWING
- Page 139 and 140: \ , species. In fact, combustion ex
- Page 141: 1, It is possible to make a reasona
- Page 145 and 146: I Coal Ash Sintering Model and the
- Page 147 and 148: 5 carried out such sintering measur
- Page 149 and 150: I this ash and other bituminous coa
- Page 151 and 152: forming propensity. However, none o
- Page 153 and 154: t I 153
- Page 155 and 156: CENTRAL ELECTRICIN RESEARCH LABORAT
- Page 157 and 158: 157 18 I I a I
- Page 159 and 160: temperature, sulfur species concent
- Page 161 and 162: The facility is fired with coal usi
- Page 163 and 164: Tests have been carried out to dete
- Page 165 and 166: under which conditions sulfur speci
- Page 167 and 168: I TITANIUM L Corn AS A TRACER FOR D
- Page 169 and 170: E 6 i i h \ 1 1 \ on the XRF is cau
- Page 171 and 172: \ ? CONCLUSIONS Titanium can accura
- Page 173 and 174: NY) m * oa
- Page 175 and 176: GFETC constructed a 0.2 square mete
- Page 177 and 178: \: Stage 3. Sulfated ash-cemented a
- Page 179 and 180: I FIG. 1. Initial ash coating on qu
- Page 181 and 182: FIG 9. Limestone bed material alter
- Page 183 and 184: (4) Since the operating temperature
- Page 185 and 186: I I maximum particle diameter leavi
- Page 187 and 188: ! suspension chambers and cyclone f
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- Page 191 and 192: After the fiscal year 1982, the fol
10.<br />
11.<br />
12.<br />
13.<br />
14.<br />
15.<br />
16.<br />
17.<br />
18.<br />
R.W. Linton, P. Williams, C.A. Evans, Jr., and D.S.F. N<strong>at</strong>usch,<br />
Anal. Chem. 9, 965 (1977).<br />
L.D. Hulett and A.J. Weinberger, Environ. Sci. & Technol. 5, 965<br />
(1980).<br />
L.D. Hansen, D. Silberman, and G.L. Fisher, Environ. Sci. &<br />
Technol. 15, 1057 (1981).<br />
Enrichment factors are obtained by normalizing to <strong>the</strong> bulk<br />
composition <strong>of</strong> <strong>the</strong> large particles (say > 30 um).<br />
C.A. Mims, N. Neville, R.J. Quann, and A.F. Sar<strong>of</strong>im, "Labor<strong>at</strong>ory<br />
Studies <strong>of</strong> Trace Element Transform<strong>at</strong>ion During Coal Combustion,"<br />
Presented <strong>at</strong> <strong>the</strong> 87th AIChE Meeting, August 1979, Boston, Mass.<br />
C.D. Stinespring and G.W. Stewart, Atmos. Environ. 15, 307 (1981).<br />
G.W. Stewart and A. Chakrabarti, High Temper<strong>at</strong>ure-High Pressure (In<br />
press) (1982).<br />
A. Chakrabarti, D.W. Bonnell, G.W. Stewart, and J.W. Hastie, To be<br />
published (1981).<br />
J.W. Hastie, E.R. Plante, and D.W. Bonnell, Interim Report No. NBSIR<br />
81-2279, U.S. Department <strong>of</strong> Commerce, N<strong>at</strong>ional Bureau <strong>of</strong> Standards,<br />
Washington, DC 20234 (1981).<br />
142<br />
I<br />
I
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